Molality is defined as 1 mole of a solute in 1 kg of solvent.
Molality=
Number of moles of solute, n=
Given mass of the nitrobenzene=0.2 g
Molar mass of the substance= 123.06 g mol⁻¹
Number of moles of nitrobenzene,
Number of moles of nitrobenzene, n= 0.0016 mol
Mass of 10.9 g of naphthalene in kg=0.0109
Molality= 0.146 m
Answer:
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Explanation:
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Molar mass H₂O = 18.01 g/mol
number of moles:
mass of solute / molar mass
<span>1.0 / 18.01 => </span>0.0555 moles
<span>hope this helps!</span>
did you mean 10^24 atoms?
if so, youd do (7.83x10^24)/ (6.02x 10^23)---- avogadros constant
=13.01 moles
Answer:
The catalyst is actually slightly more complicated than pure iron. It has potassium hydroxide added to it as a promoter - a substance that increases its efficiency
The catalyst has no effect whatsoever on the position of the equilibrium. Adding a catalyst doesn't produce any greater percentage of ammonia in the equilibrium mixture. Its only function is to speed up the reaction.
Explanation:
